ML19207B807

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Notifies of RO 79-25:on 790829,during Review of Walkdown Insp Repts for IE Bulletin 79-14,Unit 2 Auxiliary Feedwater Piping Hangar 2AFWH-34 Was Found Not Completely Installed. Unit Shutdown Initiated & Hangar Made Operable
ML19207B807
Person / Time
Site: Prairie Island Xcel Energy icon.png
Issue date: 08/31/1979
From: Tierney F
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 7909050304
Download: ML19207B807 (1)


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NSD NORTHERN STATES POWER COMPANY PRAIRIE ISLAND NUCLEAR GENERATING PLANT RR #2 Welch, MN 55089 August 31, 1979 Mr. James G. Keppler, Director Region III Of fice of Inspection & Enforcement U.S. Nuclear Regulatory Comission 799 Roosevelt Road Glen Ellyn, Ill 60137 Attention: R. F. Warnick Reportable Occurrence No. 79-25 On August 29, 1979 during a review of the walkdown inspection reports for IE Bulletin 79-14, Unit 2 Auxiliary Feedwater piping hanger 2AFWH-34 was to determined to be unservicable (not completely installed). Repairs were initiated immediately and the Operations Cocmittee convened to determine operability of the system with one diesel generator out of service for preventive maintenance. The Comittee concluded the hanger was inoperable and unit shutdown was initiated. The hanger was quickly made operable and the unit was returned to full power.

On August 30, 1979 this event was determined to reportable under Tech Spec 3.7.B.2.

Sincerely, N

F. P. Tierney, Jr Plant Manager Prairie Island Nuclear Plant FPT/jd cc: L. O. Mayer tAtfector, MIPC (2) c/o Distribution Services Branch, DDC, ADM c n. Feierabend 09 Y

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